| Add-on for Congo |
| Oise tributary |
| Rhone tributary |
| Congo chimpanzee |
| Kura tributary |
| Dwellers along a tributary of the Little Colorado River |
| Congo lingo |
| Isère tributary |
| Headstream of the Congo's Mongala River |
| Belgian Congo today |
| Amazon tributary |
| Aisne tributary |
| Fulda River tributary |
| Congo's cont. |
| Rhine tributary in Switzerland |
| Democratic Republic of the Congo, once |
| Colorado tributary |
| Ruhr's main tributary |
| River in Czechoslovakia, Danube tributary. |
| Oder tributary |
| Rumanian tributary of the Danube. |
| Tributary of the Colorado River |
| Rhine tributary (Var.) |
| He ruled Bongo Congo |
| Congo's name, 1971-1997 |
| Marshy tributary, e.g. |
| River tributary, often |
| The Congo, previously |
| Mississippi tributary in Mississippi |
| Rhine tributary. |